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Solid geometry

14 REPLIES 14
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Message 1 of 15
andrea_pontiggia
1394 Views, 14 Replies

Solid geometry

Hello, I have this problem with Robot: I imported a geometry as *. sat. Robot properly recognize the geometry and recognizes the geometry as solid. The options of meshing are the following,

 

Cattura.JPG

 

 

are not the usual (Coons, Delanuy etc.). Why?

If I run the calculation, the message appears "element deformed."

 

If drawing Robot in the same geometry, the parameters of the meshing are the usual and Robot performs the calculation correctly.

How can I solve this problem?

 

How can I make Robot correctly read the solid geometry?

 

thanks

Andrea
14 REPLIES 14
Message 2 of 15

Message 3 of 15

I still do not understand ... I redesigned the solid all-Robot, and the model works. Finally! NOo

 

I thought I had solved and I modeled another joint, but the problem reoccurs of "deformable structure."

Looking at "help" Robot I found this (see image).

 

Cattura.JPG

 

 

 

you can perform the procedure in an automatic manner?

Is there an API for geometric solids?

 

Thank you for your cooperation.

Andrea
Message 4 of 15

I do not understand "reoccurs of "deformable structure.".

Please send us the model.



Rafal Gaweda
Message 5 of 15

Cattura22.JPG

 

I attach the file.

Thanks

Andrea
Message 6 of 15

1. ACIS

2. no kinematic links

3. correct meshing options in attached file

4. make first inclusion of 11 in 12

 

inclusion.jpg



Rafal Gaweda
Message 7 of 15

I did everything you told me, but Robot always gives me the same problem.

I want to to understand if robot is able to manage a steel joint of the type that I am attaching

(see attached a *. Sat).

 

The sequence of my operations is the following:

-I open a *. sat in Robot

-Robot immediately recognizes 3d solids

-I put the properties to solid (properties panel)

-I create for each solid individually mesh (with the settings you told me)

-I inclusions between the solids

-I put the constraints

-Load Condition

-I try and model ........... "solid deformed". What is wrong?

 

You can manage a solid guy who I am attaching?

If the answer is yes, I explained step by step to solve this problem?

 

Thank you in advance for your valuable help.

Andrea
Message 8 of 15

correct order:

-I open a *. sat in Robot

-Robot immediately recognizes 3d solids

-I inclusions between the solids

-I put the properties to solid (properties panel)

-I create mesh for all solids (with the settings you told me)

........

 



Rafal Gaweda
Message 9 of 15

EUREKA!

There are successful!

Add a setting more than in the previous posts.

Look at the attached picture

 

Cattura.JPG

 

Thanks to all

Andrea
Message 10 of 15

why i get this error when i try to generate the mesh? how to solve that? (sorry i am new in solid generation)

Message 11 of 15

I see you've created a only solid . I think you should split it into plates that compose it.
You have the following settings?

Cattura.JPG

 

 

You have assigned the material?

 

Cattura2.JPG

 

Try these options mesh.

 

Cattura3.JPG

 

If you do not attach the file.
Andrea

Andrea
Message 12 of 15

i split in elements and try to do the mesh but it  goes wrong.. i cant connect the elements.the file is too large to attach, but see the picture.

Message 13 of 15
Rafacascudo
in reply to: maurojgramos

Save it with another name and without results and...

 

http://forums.autodesk.com/t5/robot-structural-analysis/sending-bigger-files/td-p/3795062

Rafael Medeiros
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Message 14 of 15

Daer Andrea and Mauro,

I strongly suggest you to avoid solid model to simulate steel connection or steel elements. Try to model it with shell element, much more easy to manage and you have better accuracy...

Cheers and good luck

PasProStudio

www.pasquiniprogetti.eu

Structural + Detailing engineers
Message 15 of 15

I changed the way i model the solid, doing now:

1º rectangle -- extrude;

2º edit objects -- join objects;

3º mesh generate.

 

And now it goes well.ligação v16 com p10(modelo final).png

 

 

 

 

 

Thank you guys. 

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